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Journal of Clinical Microbiology, 11 1996, 2756-2759, Vol 34, No. 11
A Devallois, M Picardeau, KS Goh, C Sola, V Vincent and N Rastogi
Selective amplification of a 187-bp fragment within the DT6 sequence using
the AV6 and AV7 primers for Mycobacterium avium and of a 666-bp fragment
within the DT1 sequence of Mycobacterium intracellulare using the IN38 and
IN41 primers was performed for 69 clinical isolates identified as M. avium
complex by conventional methods. The results were compared in parallel with
results with commercial M. avium and M. intracellulare probes. A positive
response to either of the two PCRs or M. avium-M. intracellulare AccuProbes
constituted positive detection as M. avium complex; this cumulative
detection limit was 94.2% for PCR, compared with 90% for AccuProbe.
Concordance, on the other hand, was considered an identical species
identification using either DT1 PCR and the M. intracellulare probe or DT6
and DT1 PCRs are inexpensive and at least equally sensitive, in-house
options to the AccuProbe system for species identification of M. avium and
M. intracellulare.
Copyright © 1996 by the American Society for Microbiology. All rights reserved.
Comparative evaluation of PCR and commercial DNA probes for detection and identification to species level of Mycobacterium avium and Mycobacterium intracellulare
Unite de la Tuberculose et des Mycobacteries, Institut Pasteur, Pointe a Pitre, France.
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